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Soft-Output Detector for Partial Response Channels Using Vector Quantization

机译:使用矢量量化的部分响应通道的软输出检测器

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摘要

An implementation of the Bahl-Cocke-Jelinek-Raviv algorithm for partial response detection which performs the usual forward and backward state metric recursions and the log-likelihood computation using only lookup tables is proposed. The state metrics are vector quantized, which requires fewer quantization points than the conventional approach of quantizing each state metric individually. This soft-output implementation is suitable for use in partial response systems using turbo equalization.
机译:提出了用于部分响应检测的Bahl-Cocke-Jelinek-Raviv算法的实现,该算法仅执行查找表即可执行通常的前向和后向状态度量递归和对数似然计算。状态量度是矢量量化的,与传统的单独量化每个状态量度的方法相比,它需要更少的量化点。此软输出实现适用于使用Turbo均衡的部分响应系统。

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